A mineral supplement designed to prevent the common cold was given to two groups of people during a scientific study. Dosage Group 1 50 mg/day Group 2 100 mg/day After 8 weeks, neither group reported a case of the common cold. Which of the following would have made the outcome of this study more valid? O Test only one group with 150 mg of the supplement O Give the supplement to both groups for only 6 weeks O Create a third group that receives 75 mg of the supplement O Create a third group that does not receive the supplement
A mineral supplement designed to prevent the common cold was given to two groups of people during a scientific study. Dosage Group 1 50 mg/day Group 2 100 mg/day After 8 weeks, neither group reported a case of the common cold. Which of the following would have made the outcome of this study more valid? O Test only one group with 150 mg of the supplement O Give the supplement to both groups for only 6 weeks O Create a third group that receives 75 mg of the supplement O Create a third group that does not receive the supplement
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:A mineral supplement designed to prevent the common cold was given to two groups of people during a scientific study.
Dosage
Group 1 50 mg/day
Group 2
100 mg/day
After 8 weeks, neither group reported a case of the common cold. Which of the following would have made the outcome of this study more valid?
O Test only one group with 150 mg of the supplement
O Give the supplement to both groups for only 6 weeks
O Create a third group that receives 75 mg of the supplement
O Create a third group that does not receive the supplement
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